assertEquals(size - 4, sub.size());
assertEquals(size - 2, sm.size());
assertEquals(size - 2, sm.inverseBidiMap().size());
assertEquals(false, sm.containsKey(secondEntry.getKey()));
assertEquals(false, sm.containsValue(secondEntry.getValue()));
assertEquals(false, sm.inverseBidiMap().containsKey(secondEntry.getValue()));
assertEquals(false, sm.inverseBidiMap().containsValue(secondEntry.getKey()));
assertEquals(false, sub.containsKey(secondEntry.getKey()));
assertEquals(false, sub.containsValue(secondEntry.getValue()));
assertEquals(false, set.contains(secondEntry));
}